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Rectifying collective agreements: lessons from National Union of Rail v Nexus

3 December 2024

The Supreme Court case of National Union of Rail, Maritime and Transport Workers and another v Tyne and Wear Passenger Transport Executive T/A Nexus [2024] UKSC 37 addresses the complex issue of rectifying collective agreements when the written record does not accurately reflect the mutual intentions of the parties involved. This case is pivotal in understanding the legal remedies available when such discrepancies arise, particularly in the context of collective bargaining agreements that are not intended to be legally enforceable contracts. The case arose from a dispute over a 2012 collective agreement between Nexus and two unions, which involved the consolidation of a 25.5% productivity bonus into basic pay. The unions contended that this consolidation should also increase the shift allowance, a point disputed by Nexus, leading to claims of unauthorized wage deductions by employees.

Legal framework and principles

Rectification of collective agreements

Rectification is an equitable remedy that allows a court to amend a document to reflect what the parties actually intended. In the context of collective agreements, which are typically not legally enforceable under section 179(1) of the Trade Union and Labour Relations (Consolidation) Act 1992, the question arises whether such agreements can be rectified. The Supreme Court in this case clarified that even if a collective agreement is not intended to be legally enforceable, it can still be subject to rectification if its terms are incorporated into individual employment contracts, thereby affecting legal rights.

The role of employment tribunals

The Supreme Court also addressed the role of employment tribunals in rectification cases. While employment tribunals do not have the power to order rectification, they can treat a document as rectified for the purpose of determining legal rights in wage claims. This means that tribunals can consider the intended terms of a collective agreement when adjudicating claims of unauthorized deductions from wages, even without a formal rectification order.

The Supreme Court's decision

The Supreme Court's decision in this case was multifaceted. It held that the letter agreement between Nexus and the unions, although not a legally enforceable contract, created legal rights for employees through incorporation into their contracts. Therefore, rectification was possible. However, the Court agreed with the Court of Appeal that Nexus had targeted the wrong defendants by suing the unions instead of the employees whose contracts were affected. The proper defendants in a rectification claim should be the individuals whose legal rights are impacted by the agreement.

Implications for employers

For employers, this decision underscores the importance of ensuring that collective agreements accurately reflect the intended terms, especially when these terms are incorporated into individual employment contracts. Employers must be cautious in drafting and reviewing collective agreements to avoid potential disputes and legal challenges. Additionally, when seeking rectification, employers must ensure that they target the correct parties, typically the employees affected by the agreement, rather than the unions.

Practical steps for employers

Drafting and reviewing agreements

  • Thorough drafting: Employers should engage in meticulous drafting of collective agreements, ensuring clarity and precision in the language used to prevent misunderstandings.

  • Regular reviews: Periodically review collective agreements to ensure they continue to reflect the current intentions and agreements of the parties involved.

  • Legal consultation: Consult with legal experts during the drafting and review process to identify potential issues and rectify them proactively.

Addressing discrepancies

  • Internal audits: Conduct internal audits of existing agreements to identify any discrepancies between the written terms and the parties' intentions.

  • Negotiation and amendment: Engage in negotiations with unions to amend agreements where discrepancies are identified, ensuring mutual understanding and agreement.

  • Documentation: Maintain comprehensive records of negotiations and agreements to support the intended terms in case of future disputes.

Legal action and rectification

  • Identify correct defendants: When pursuing rectification, ensure that the claim is directed at the correct parties, typically the employees affected by the agreement.

  • Use of Employment Tribunals: Leverage employment tribunals to address wage claims, using the tribunal's ability to treat documents as rectified for determining legal rights.

  • Consider alternative dispute resolution: Explore alternative dispute resolution mechanisms, such as mediation or arbitration, to resolve disputes amicably and efficiently.

The Supreme Court's decision in National Union of Rail, Maritime and Transport Workers and another v Tyne and Wear Passenger Transport Executive T/A Nexus provides critical guidance on the rectification of collective agreements. It highlights the need for precision in drafting and the importance of targeting the correct parties in legal actions. Employers must take proactive steps to ensure that collective agreements accurately reflect the intended terms and are prepared to address discrepancies through appropriate legal channels. This case serves as a reminder of the complexities involved in collective bargaining and the need for careful legal and strategic planning.

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